Lexmark X940e Service Manual page 115

Step Check
8 Check the sensor (stacker bin level encoder) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch FINISHER TESTS.
3. Touch Sensor Test.
4. Touch Bin Level.
5. Touch Stacker bin level encod.
Does the display on the operator panel change every time
the sensing area of the above sensor is interrupted or
blocked?
9 Is the sensor (stacker bin level encoder) properly
connected?
Is the above component properly connected?
10 Check the stacker bin lift motor assembly for proper
operation.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Finisher Motor Tests.
4. Touch Stacker lift mtr.
5. Touch Forward or Reverse.
Does the above component operate properly?
11 Check the stacker bin lift motor assembly for proper
connection.
Is the above component properly connected?
12 Perform a POR.
Does the error continue when the power is turned off/on?
Yes No
Go to step 10. Go to step 9.
Replace the Replace the
sensor (stacker connection.
bin level encoder).
Go to "Sensor
(stacker bin level
encoder)
removal" on
page 4-34.
Go to step 12. Go to step 11.
Replace the Replace the
stacker bin lift connection.
motor assembly.
Go to "Stacker
bin lift motor
assembly
removal" on
page 4-37.
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-115.
Diagnostic information
7510-XXX
2-57